Valvata virens virens Tryon, 1863
Emerald valvata
Taxonomy & Nomenclature
Conservation Status
Missing (Taylor, 1981; Cowie et al., 2017)
IUCN RedList status: Vulnerable
May be extant (Burch, 1982).
Distribution
Clear Lake, California, USA
May not be a Californian endemic (Burch, 1982).
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Tryon, G. W. (1863). Descriptions of new species of fresh water Mollusca, belonging to the families Amnicolidae, Valvatidae and Limnaeidae; inhabiting California. Proceedings of the Academy of Natural Sciences, Philadelphia 15: 147-150.
Other references:
Bogan, A. E. (1996). Valvata virens. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.1. (http://www.iucnredlist.org). Downloaded on 27 July 2013.
Burch, J. B. (1982). North American freshwater snails: identification keys, generic synonymy, supplemental notes, glossary, references, index. Walkerana 1(4): 217-365.
Cowie, Robert H., Régnier, Claire, Fontaine, Benoît, and Bouchet, Philippe. (2017). Measuring the Sixth Extinction: what do mollusks tell us? The Nautilus 131(1): 3-41.
Hannibal, H. (1909). A new Carinifex from the Santa Clara lake beds (Pliocene), California. The Nautilus 23(3): 40-41.
Johnson, P. D.; Bogan, A. E.; Brown, K. M.; Burkhead, N. M.; Cordeiro, J. R.; Garner, J. T.; Hartfield, P. D.; Lepitzki, D. A. W.; Mackie, G. L.; Tarpley, T. A.; Tiemann, J. S.; Whelan, N. V.; Strong, E. E. (2013). Conservation status of freshwater gastropods of Canada and the United States. Fisheries 38(6): 247-282.
Taylor, D.W. (1981). Freshwater mollusks of California: a distributional checklist. California Fish and Game 67(3): 140-163.